LSXPS J174001.8-282850

[Spectral/flux information | Temporal information | External catalogue matches | Detections | Non-detections ]

This image is 160 pixels (=6.3′ to a side).
LSXPS J174001.8-282850 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 15″ away and the nearest good/reasonable source is 89″ away.

Detection flag:: Poor
Total exposure:: 92 ks
RA (J2000):: 17^h 40^m 01.88^s=265.0078°
Dec (J2000):: -28° 28′ 50.6″=-28.4807°
Err₉₀:: 1.3′′(XRT+2MASS)
l:: +359° 44′ 33.7″=359.7427°
b:: +01° 16′ 54.3″=+1.2817°
Mean count rate: 0.00 (+8.32, -0.00) ×10^-4 ct s^-1
Galactic N_H: 9.5×10²¹ cm^-2
HRs: HR1=0.898 (+0.102, -0.026)
HR2=-0.03 (+0.34, -0.17)
Observed between:: and 2025-05-20 20:50
Present in:: 93 datasets (total)
2 datasets (with blind detections)
17 datasets (count-rate detections)
External catalogue matches:: 0
Search Vizier | Simbad.
LSXPS ID: 528048

Nearest neighbour

LSXPS J174001.9-282835 — 15″ away

Nearest 'OK' neighbour

— 89″ away

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This source is in a field with stray light; however, this should have been correctly handled.

Spectral / Flux information

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Temporal Information

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Band	Total (0.3—10 keV)	Soft (0.3—1 keV)	Medium (1—2 keV)	Hard (2—10 keV)
Mean rate (ct s^-1)	0.00 (+8.32, -0.00) ×10^-4	1.0 (+34.7, -1.0) ×10^-5	2.1 (+1.1, -1.0) ×10^-3	0.00 (+6.32, -0.00) ×10^-4
Peak rate (ct s^-1)	0.13 (+0.05, -0.04)	1.0 (+34.7, -1.0) ×10^-5	6.6 (+3.8, -2.9) ×10^-2	0.10 (+0.05, -0.04)
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes	Blind: No Retrospective: No
3 σ UL (ct s^-1)	< 3.65× 10^-3	< 1.27× 10^-3	N/A	< 2.87× 10^-3
Counts detected	297	5	85	207
BG counts	346.5	4.913	67.49	257.3
Corr fact	1.60	1.60	1.60	1.60
P_const,χ	1.00 (obs) 0.00 (snapshot)	1.00 (obs) 1.00 (snapshot)	1.00 (obs) 3.63×10^-2 (snapshot)	1.00 (obs) 8.53×10^-11 (snapshot)